The Westinghouse WD series rechargeable lead acid batteries were created to offer 30% higher cyclic life with 5 to 10 years of floating life when compared to the standard battery of its type. The WD Series is highly suited for applications requiring batteries to provide extra cyclic life performance such as outdoor applications, solar energy systems, RVs and more. A trusted brand, Westinghouse provides a wide array of batteries you can count on.